离子

Isotherms of benzothiophene on the activated carbon were separately measured at different temperature, and then the variation of the adsorption of benzothiophene on the activated carbon was discussed with the help of the hard and soft acid and base principle.

结果表明，活性炭表面负载Ag^＋、Ni^2＋、Cu^2＋或Zn^2＋离子，可提高活性炭吸附苯并噻吩硫化物的能力，而活性炭表面负载Fe^3＋或Co^3＋离子，反而降低了活性炭吸附苯并噻吩硫化物的能力，这主要是活性炭表面的酸碱性质发生变化。

Structural analyses reveal that all species consist of a pair of hetetrometallic atoms triplybridged by bidentate pivalate ligands.

它们共同的结构特征是异金属离子间均由三个双齿的羧基桥连，在四核的化合物20和21中两个稀土离子通过两个双齿羧基相连。

For Uracil-Zn~(2+) complexes, the bidentate coordination mode is more stable among the possible complexes relative to the monodentate case.

首先，我们对脲嘧啶与锌离子以及水合锌离子的耦合情况进行了讨论。

It was found that these ionic liquids possess the thermoregulated function of"mono-phase under low temperature, biphase under high temperature".

测定了不同乙氧基链长的上述离子液体在有机溶剂中的溶剂性能，找到了具有&室温均相，高温分相&的温控离子液体/有机溶剂液液双相体系。

The yield of biphenyl in a Triton X10 ME system was found higher than that in the biphase system. The reactivities in different ME were also studied.

结果表明，微乳体系中联苯收率高于两相体系；比较了在离子、非离子表面活性剂构成的不同微乳体系中的反应活性；研究了卤代芳烃在Tx10 ME中的甲酸钠、碱类型、Pd/C用量、温度等对反应的影响。

A series of fluorene and 2,2'-bipyridine or 1,10-phenanthroline alternate and random copolymers(P1 or P2) have been designed and synthsized, and their interaction with transition metal ions were investigated.The some accomplishments were achieved as follows:(1) It is found that the absorption red shift and fluorescence quench strongly in the presence of transition metal ions.

设计合成了一系列芴与联吡啶、菲洛啉的交替和无规共轭聚合物（P1、P2），通过研究它们与不同过渡金属离子相互作用，获得如下主要成果：（1）由于过渡金属离子的作用，吸收光谱发生不同程度的红移，以及强烈的荧光猝灭现象。

The electrochemical studies showed that DNA can be adsorbed and desorbed reversely onto nano-sized zirconia, as 2, 2'-bipyridyl was added gradually into the probe solution with low ion strength the peak current of probe molecule decreased step by step.

与钙离子相比，在同样条件下镧系离子能更加显著的提高DNA的电子转移速率常数。1、用化学和电化学方法研制成了一种组成为KnH〓O的修饰材料。

The substituted group on the bipyridyl ligand in complex 2 could lose C2H4 neutral molecule under a higher CID fragmentation (such as CID 110 V), and its single charge ion is more stable than its double charge ion.

而络合物2在较高的CID电压下(1l0V)会发生联吡啶环上取代基的中性C2H4小分子丢失，其单电荷离子比二价电荷离子稳定。

It was firstly concluded that plasma membrane of Bufo oocyte exist calcium-dependent chloride channel, except potassium channel.

中华大蟾蜍卵母细胞质膜上除有钾离子通道之外，还存在钙依赖性的氯离子通道。

To create a mere three atoms of element118, the scientists spent two months bombarding the californium target with30 billion billion calcium ions.

为了创造这微不足道的3个原子，科学家花费了2个月时间，用30万亿亿个钙离子来轰击锎离子。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐